shithub: purgatorio

ref: 354b56d6bfdca067a6f04a39c4ce4bc9c0160861
dir: /appl/

NOTICE
acme/
alphabet/
charon/
cmd/
collab/
demo/
ebook/
examples/
grid/
lib/
math/
mkfile
spree/
svc/
tiny/
wm/